package com.cens.mall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class FeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {

            @Override
            public void apply(RequestTemplate requestTemplate) {
                System.out.println("request interceptor apply");
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if(requestAttributes != null){
                    HttpServletRequest request = requestAttributes.getRequest();
                    //同步Cookie
                    if (request != null) {
                        requestTemplate.header("Cookie", request.getHeader("Cookie"));
                    }
                }
            }
        };
    }
}
